a.

1. 不受影響的[Z][F][（+by）]
   These birds seem unaffected by climate.

   這些鳥似乎不受氣候的影響。

2. 純真的；不裝腔作勢的
   the unaffected delight of a child

   孩童的天真快樂

adj.

1. feeling or showing no effects.
2. sincere and genuine:
   her effortless, unaffected charm.